Plaza 21 Custom made jewelry -- It was always a passion for Merve to create jewelry for herself while her father and family members focused on watchmaking and in fine jewelry business. Güngenci family has been dealing with watch repair, manufacture and sales since 1864 The watchmaking, which was started as a family tradition by her great grandfather Usta Adem in 1864, has been carried to the present from centuries as a result of the works and intense efforts of Master Adem in